The smell of freshly cut grass is actually a plant distress call.
31
Out of all the senses, smell is most closely linked to memory.
146
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88